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U.S. Department of Agriculture
National Invasive Species Information Center
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Invasive Species Resources

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"B" Rated Weeds - Houndstongue (PDF | 2.04 MB)

Oregon Department of Agriculture. Plant Division. Noxious Weed Control.
See also: Oregon Noxious Weed Profiles for more species
A Homeowner's Guide to Cheatgrass (PDF | 126 KB)
University of Nevada - Reno. Cooperative Extension.
See also: Agriculture Publications for more fact sheets
Activities - Invasive Species
Washington Native Plant Society.
AIS Species and Identification
Montana Fish, Wildlife, and Parks.
Alien Plant Research Studies and Surveys
Pacific Biodiversity Institute (Washington).
Animal Diseases - Exotic Newcastle Disease
Montana Department of Livestock. Animal Health Division.
Animals, Plants, and Food

Oregon Department of Agriculture.
Aquatic Invasive Species

Illinois-Indiana Sea Grant College Program.
Aquatic Invasive Species
USDA. FS. Lake Tahoe Basin Management Unit.
Aquatic Invasive Species - Ballast Water
Washington Department of Fish and Wildlife.
Aquatic Invasive Species - European Green Crab
Washington Department of Fish and Wildlife.
Aquatic Invasive Species - New Zealand mudsnail
Washington Department of Fish and Wildlife.
Aquatic Invasive Species Decal Information
Nevada Department of Wildlife.
The Nevada aquatic invasive species (AIS) decal requirement became effective Jan 1, 2013 through approval from the Nevada State Legislature in 2011. The AIS decal requirement was established to prevent the spread of harmful aquatic species threatening Nevada's waterways.
Aquatic Invasive Species Prevention Permits
Washington Department of Fish and Wildlife.
Operators of watercraft not registered in Washington State, seaplanes, and commercial transporters of specified vessel types must purchase aquatic invasive species (AIS) prevention permits to help prevent the spread of AIS in Washington. AIS prevention permits are valid for one year and can be purchased online (under the "Other" Product Categories tab) or from any of the department's authorized license dealers. When purchasing online, you may select a preferred activation date. The permit will be valid for one year from that date.
Aquatic Invasive Species Prevention Program
Nevada Department of Wildlife.
Aquatic Invasive Species Programs
Tahoe Resource Conservation District.
Aquatic Invasive Species: Alewife (Apr 2009) (PDF | 298 KB)

Indiana Department of Natural Resources.
See also: Invasive Species for exotic animal and plant pests invading Indiana, causing economic and visual damage
Aquatic Invasive Species: Asiatic Clam (Apr 2009) (PDF | 318 KB)

Indiana Department of Natural Resources.
See also: Invasive Species for exotic animal and plant pests invading Indiana, causing economic and visual damage
Aquatic Invasive Species: Bighead Carp (Apr 2011) (PDF | 234 KB)

Indiana Department of Natural Resources.
See also: Invasive Species for exotic animal and plant pests invading Indiana, causing economic and visual damage
Aquatic Invasive Species: Black carp (Apr 2009) (PDF | 216 KB)

Indiana Department of Natural Resources.
See also: Invasive Species for exotic animal and plant pests invading Indiana, causing economic and visual damage